YOU SAID:

Mason cannot throw very well at all.

INTO JAPANESE

メイソンは全然上手に投げることができない。

BACK INTO ENGLISH

Mason can't throw well at all.

INTO JAPANESE

メイソンは全く投げるのが上手ではない。

BACK INTO ENGLISH

Mason is not a good thrower at all.

INTO JAPANESE

メイソンは投げるのが全然上手じゃない。

BACK INTO ENGLISH

Mason is not a good pitcher at all.

INTO JAPANESE

メイソンはまったく良い投手ではない。

BACK INTO ENGLISH

Mason is just not a good pitcher.

INTO JAPANESE

メイソンは単に良い投手ではない。

BACK INTO ENGLISH

Mason is simply not a good pitcher.

INTO JAPANESE

メイソンは単純に良い投手ではない。

BACK INTO ENGLISH

Mason is simply not a good pitcher.